Green Lantern: Sinestro Corps Special in Fourth Printing

The recently released and incredibly successful Green Lantern: Sinestro Corps Special has entered its fourth printing, with each variation having a different cover as shown below, starting with the first printing on the left continuing to the fourth. It has been followed by multiple books including Green Lantern and The Green Lantern Corps to Superboy Prime. The character Sinestro made his first appearance in Green Lantern #7 during the early Silver Age in the July/August 1961 issue.